This is an application note that introduces the correct use of the LNBH24 device. The LNBH24 is an integrated solution for supplying/interfacing two independent LNB down-converters in the antenna dishes. It gives good performance in a simple and cheap way, minimum external components are required. It comprises all the functions that allow the realization of a dual tuner STB with supplying/interfacing functions in accordance with international standards. Moreover, it includes an I2C bus interface and, thanks to a fully integrated step-up DC-DC converter, it works with a single input voltage supply for a reasonable range.
